DataGridViewer表格中将Button设置为不可用

https://docs.microsoft.com/en-us/dotnet/desktop/winforms/controls/disable-buttons-in-a-button-column-in-the-datagrid?view=netframeworkdesktop-4.8&redirectedfrom=MSDN

 

 

 public class DataGridViewDisableButtonColumn: DataGridViewButtonColumn
    {
        public DataGridViewDisableButtonColumn()
        {
            this.CellTemplate = new DataGridViewDisableButtonCell();
        }
    }

  

 public class DataGridViewDisableButtonCell : DataGridViewButtonCell
    {
        private bool enabledValue;
        private int whetherQualified;//工序参数是否合格,合格为1，不合格为2

        public int WhetherQualified
        {
            get { return whetherQualified; }
            set { whetherQualified = value; }
        }

        public bool Enabled
        {
            get { return enabledValue; }
            set { enabledValue = value; }
        }

        // Override the Clone method so that the Enabled property is copied.
        public override object Clone()
        {
            DataGridViewDisableButtonCell cell =
                (DataGridViewDisableButtonCell)base.Clone();
            cell.Enabled = this.Enabled;
            return cell;
        }

        // By default, enable the button cell.
        public DataGridViewDisableButtonCell()
        {
            this.enabledValue = true;
        }

        protected override void Paint(Graphics graphics,
            Rectangle clipBounds, Rectangle cellBounds, int rowIndex,
            DataGridViewElementStates elementState, object value,
            object formattedValue, string errorText,
            DataGridViewCellStyle cellStyle,
            DataGridViewAdvancedBorderStyle advancedBorderStyle,
            DataGridViewPaintParts paintParts)
        {
            // The button cell is disabled, so paint the border,
            // background, and disabled button for the cell.
            if (!this.enabledValue)
            {
                // Draw the cell background, if specified.
                if ((paintParts & DataGridViewPaintParts.Background) ==
                    DataGridViewPaintParts.Background)
                {
                    SolidBrush cellBackground;
                    if (whetherQualified == 1)
                    {
                        cellBackground = new SolidBrush(Color.LimeGreen);//合格显示btn为绿色
                    }
                    else if (whetherQualified == 2)
                    {
                        cellBackground = new SolidBrush(Color.Red);//不合格显示btn为红色
                    }
                    else
                    {
                        cellBackground = new SolidBrush(cellStyle.BackColor);
                    }

                    graphics.FillRectangle(cellBackground, cellBounds);
                    cellBackground.Dispose();
                }

                // Draw the cell borders, if specified.
                if ((paintParts & DataGridViewPaintParts.Border) ==
                    DataGridViewPaintParts.Border)
                {
                    PaintBorder(graphics, clipBounds, cellBounds, cellStyle,
                        advancedBorderStyle);
                }

                // Calculate the area in which to draw the button.
                Rectangle buttonArea = cellBounds;
                Rectangle buttonAdjustment =
                    this.BorderWidths(advancedBorderStyle);
                buttonArea.X += buttonAdjustment.X;
                buttonArea.Y += buttonAdjustment.Y;
                buttonArea.Height -= buttonAdjustment.Height;
                buttonArea.Width -= buttonAdjustment.Width;

                // Draw the disabled button.
                ButtonRenderer.DrawButton(graphics, buttonArea,
                    PushButtonState.Disabled);

                // Draw the disabled button text.
                if (this.FormattedValue is String)
                {
                    TextRenderer.DrawText(graphics,
                        (string)this.FormattedValue,
                        this.DataGridView.Font,
                        buttonArea, SystemColors.GrayText);
                }
            }
            else
            {
                // The button cell is enabled, so let the base class
                // handle the painting.
                base.Paint(graphics, clipBounds, cellBounds, rowIndex,
                    elementState, value, formattedValue, errorText,
                    cellStyle, advancedBorderStyle, paintParts);
            }
        }
    }